108138695317 has 16 divisors (see below), whose sum is σ = 113223856384. Its totient is φ = 103177800000.

The previous prime is 108138695293. The next prime is 108138695321. The reversal of 108138695317 is 713596831801.

It is a cyclic number.

It is not a de Polignac number, because 108138695317 - 2²⁷ = 108004477589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108138695347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674692 + ... + 819442.

It is an arithmetic number, because the mean of its divisors is an integer number (7076491024).

Almost surely, 2^108138695317 is an apocalyptic number.

It is an amenable number.

108138695317 is a deficient number, since it is larger than the sum of its proper divisors (5085161067).

108138695317 is a wasteful number, since it uses less digits than its factorization.

108138695317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145180.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 108138695317 in words is "one hundred eight billion, one hundred thirty-eight million, six hundred ninety-five thousand, three hundred seventeen".